ISO INTERNATIONAL STANDARD 22074-4 First edition 2022-08 Railway infrastructure Rail fastening systems - Part 4: Test methods for resistance to repeated loading Infrastructure ferroviaire - Systemes de fixation du rail - Partie 4: Méthode d'essai pour la détermination de resistance aux charges répétitives Reference number IS0 22074-4:2022(E) ISO @IS02022 IS0 22074-4:2022(E) COPYRIGHT PROTECTED DOCUMENT IS02022 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may the internet or an intranet, withoutpriorwrittenpermission.Permission can be requested from eitherIso at the addressbelow or Iso's member body in the country of the requester. ISO copyright office CP 401 · Ch. de Blandonnet 8 CH-1214Vernier,Geneva Phone: +41 22 749 01 11 Email: copyright@iso.org Website: www.iso.org PublishedinSwitzerland i @ IS0 2022 - All rights reserved